Author:de Waal, ADate:Jun 2006The aim of this study is to evaluate the discovery of temporal themes in a text stream. The authors evaluate a probabilistic model for unsupervised learning to solve the problem and a scheme for theme evolution visualisation is proposed. The ...Read more
Author:de Waal, ADate:27 Feb 2006Complex systems can be described as systems-of-systems as they comprise a hierarchy of systems. The links between sub-systems are often obscure and non-linear and this results in a lack of a whole-systems view and appropriate understanding ...Read more